One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,6)(3,10,5,8)(4,9,12,14)(11,16,13,15)(17,18)(19,27)(20,31)(21,25)(22,26)(23,30)(24,29)(28,32)(33,34,37,38)(35,41,42,39)(36,44,45,40)(43,46,48,47)(1,3,7,5)(2,8,6,10)(4,11,12,13)(9,15,14,16)(17,19)(18,23)(20,28)(21,29)(22,30)(24,32)(25,31)(26,27)(34,38)(35,42)(40,44)(43,48)(4,12)(9,14)(11,13)(15,16)(17,18,22,26)(19,23,30,27)(20,24,29,31)(21,25,28,32)(33,34)(35,39)(36,40)(37,38)(41,42)(43,46)(44,45)(47,48)(1,4)(2,9)(3,11)(5,13)(6,14)(7,12)(8,15)(10,16)(17,18)(19,27)(20,24)(21,32)(22,26)(23,30)(25,28)(29,31)(33,35,37,42)(34,39,38,41)(36,43,45,48)(40,46,44,47)(1,5,7,3)(2,8,6,10)(4,13,12,11)(9,15,14,16)(17,20)(18,24)(19,28)(21,30)(22,29)(23,32)(25,27)(26,31)(33,36)(34,40)(35,43)(37,45)(38,44)(39,46)(41,47)(42,48)(1,6,7,2)(3,10,5,8)(4,9,12,14)(11,15,13,16)(17,21,22,28)(18,25,26,32)(19,29,30,20)(23,31,27,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.